68205550

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 153115200

約数和(自身を除く): 84909650

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 82, 97, 98, 175, 194, 205, 245, 287, 343, 350, 410, 485, 490, 574, 679, 686, 970, 1025, 1225, 1358, 1435, 1715, 2009, 2050, 2425, 2450, 2870, 3395, 3430, 3977, 4018, 4753, 4850, 6790, 7175, 7954, 8575, 9506, 10045, 14063, 14350, 16975, 17150, 19885, 20090, 23765, 27839, 28126, 33271, 33950, 39770, 47530, 50225, 55678, 66542, 70315, 99425, 100450, 118825, 139195, 140630, 166355, 194873, 198850, 237650, 278390, 332710, 351575, 389746, 695975, 703150, 831775, 974365, 1364111, 1391950, 1663550, 1948730, 2728222, 4871825, 6820555, 9743650, 13641110, 34102775, 68205550]

約数ペア:

[(1, 68205550), (2, 34102775), (5, 13641110), (7, 9743650), (10, 6820555), (14, 4871825), (25, 2728222), (35, 1948730), (41, 1663550), (49, 1391950), (50, 1364111), (70, 974365), (82, 831775), (97, 703150), (98, 695975), (175, 389746), (194, 351575), (205, 332710), (245, 278390), (287, 237650), (343, 198850), (350, 194873), (410, 166355), (485, 140630), (490, 139195), (574, 118825), (679, 100450), (686, 99425), (970, 70315), (1025, 66542), (1225, 55678), (1358, 50225), (1435, 47530), (1715, 39770), (2009, 33950), (2050, 33271), (2425, 28126), (2450, 27839), (2870, 23765), (3395, 20090), (3430, 19885), (3977, 17150), (4018, 16975), (4753, 14350), (4850, 14063), (6790, 10045), (7175, 9506), (7954, 8575)]